It is a game that hits the ground with a hammer to lower the height of the flag to the specified height.

The more hits the ground, the lower the surrounding ground will be.

The range that goes down when the number on the upper left of the ground is hit.

When the ground of the flag goes down, the number decreases by one.

“Don” is a tapping sound in Japanese, and “hammer” is “Tonkachi” in Japanese.

If lower all flags to the correct position, finished and proceed to the next stage.

The level goes up depending on the speed of clearing.

As the level goes up, the number of flag increases and the stage becomes complicated.

Clear all 10 stages, the total score will be registered on the leaderboard of the game center.